| /******************************************************************************* |
| * Copyright (c) 2009, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.compare.tests; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| |
| public class ReflectionUtils { |
| |
| public static Object callMethod(Object object, String name, Object args[]) |
| throws IllegalArgumentException, IllegalAccessException, |
| InvocationTargetException, NoSuchMethodException { |
| Class types[] = new Class[args.length]; |
| for (int i = 0; i < args.length; i++) { |
| types[i] = args[i].getClass(); |
| } |
| Method method = null; |
| Class clazz = object.getClass(); |
| NoSuchMethodException ex = null; |
| while (method == null && clazz != null) { |
| try { |
| method = clazz.getDeclaredMethod(name, types); |
| } catch (NoSuchMethodException e) { |
| if (ex == null) { |
| ex = e; |
| } |
| clazz = clazz.getSuperclass(); |
| } |
| } |
| if (method == null) { |
| throw ex; |
| } |
| method.setAccessible(true); |
| Object ret = method.invoke(object, args); |
| return ret; |
| } |
| |
| public static Object getField(Object object, String name) |
| throws IllegalArgumentException, IllegalAccessException, |
| SecurityException, NoSuchFieldException { |
| Field field = object.getClass().getDeclaredField(name); |
| field.setAccessible(true); |
| Object ret = field.get(object); |
| return ret; |
| } |
| |
| public static Object getField(Object object, String name, boolean deep) |
| throws IllegalArgumentException, IllegalAccessException, |
| SecurityException, NoSuchFieldException { |
| Class clazz = object.getClass(); |
| NoSuchFieldException ex = null; |
| while (clazz != null) { |
| try { |
| Field field = clazz.getDeclaredField(name); |
| field.setAccessible(true); |
| return field.get(object); |
| } catch (NoSuchFieldException e) { |
| if (ex == null) { |
| ex = e; |
| } |
| if (!deep) |
| break; |
| clazz = clazz.getSuperclass(); |
| } |
| } |
| throw ex; |
| } |
| } |